The development and anatomy of the spinal cord are described. From the end of the third gestational week, the spinal cord sustains three developmental stages: neurulation, caudal differentiation and retrogressive differentiation. The anatomy of the spinal cord is discussed from the perspective of macroscopic findings, classification, level diagnosis, cytoarchitecture and white matter structures; especially variations of the pyramidal tract, and errors in textbook descriptions of the spinocerebellar tract.
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GOTO et al. (1997) studied this question.
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